Chinese solar module maker CGL Technology presented its latest perovskite solar module technology at the Intersolar tradeshow in Munich, Germany, this week.

“This module has met IEC testing standards that would suggest it would degrade in a pattern that is similar to standard silicon solar modules,” the company's spokesperson, Martin Wang, told pv magazine, noting that the company expects this perovskite product to be deployed as part of a perovskite-silicon tandem solar module which will begin mass production in late 2025.

Wang also revealed that GCL perovskite modules were used in the 1 MW perovskite solar power project deployed by China Three Gorges in late 2023.

The company said the deployment of their pure perovskite module at the China Three Gorges solar project represented the state-of-field testing stage of the product. The company hopes to deploy multiple 1 MW projects before the end of the year across different geographies with different environmental traits, to test the viability of the perovskite module.

At the booth, GCL showed two perovskite solar modules: one a pure perovskite module, and the other a perovskite silicon tandem solar module. The pure perovskite module has an efficiency of just over 19%, while the tandem module's efficiency is just over 26%.

Wang explained that the perovskite solar panel had passed TUV Rhineland IEC 61215 and IEC 61739 certification tests, which would suggest that the solar modules would degrade like a standard silicon solar panel. Wang implied that GCL was moving slowly into the market with that statement because the tests are designed to degrade silicon products, and not perovskite products.

GCL has supplied pv magazine with the IEC certification document. Further documentation to better interpret the degradation results has been requested.

The modules came from a 100 MW test line that has been in place since 2021. The majority of the modules from this test line, which totaled 10 to 15 MW in 2023, have been recycled, as the modules progressed toward units they felt were worthy of deployment.

Wang said that GCL believes the degradation of their perovskite silicon tandem module will be better than that of standard silicon modules. Starting at the end of next year, GCL will begin deploying their perovskite silicon tandem solar module.

A key detail on the product that is different from many others in the market is that the tandem aspect of the product is on a module level – not the cell level. What this means to the manufacturer is that “95% of the hard work” will have already been done in the creation of the perovskite module.

Wang also explained that combining two solar panels was a much simpler process than making a tandem solar cell, and that of the hand-crafted perovskite silicon tandem modules, the units work 95% of the time, and that once the manufacturing line is in place this value will reach near 100%.

Wang said that on a cost-per-watt basis – not expected market price – the company expected the perovskite silicon tandem module would cost 50% of a crystalline silicon module that costs $0.15 per W, meaning $0.075 per W. He said the 50% value that was used in marketing on the perovskite silicon module was done when polysilicon was more expensive, and thus modules were more expensive.

When asked by pv magazine about future efficiency gains, Wang said GCL – in this case – is a perovskite company first. “We should realize the full potential of perovskites, and we should adapt silicon to the perovskite – instead of the other way around,” he stated.

By next year, they expect the tandem module to break 27% efficiency – with greater than 30% “guaranteed”. Currently, in the tandem structure, it is the perovskite module that is contributing the majority of the efficiency, as it is generating at 19% – while the silicon is only running at 7% efficiency.

The current silicon base module used is a TOPCon unit, however, GCL believes that heterojunction will be the best long-term solution due to the product’s higher voltage.

https://www.pv-magazine.com/2024/06/20/gcl-says-perovskite-solar-module-passes-silicon-degradation-tests/

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Golden Concord Holdings Limited (as referred as "GCL Group"), is a green low-carbon technology enterprise guided by the goals of carbon peaking and carbon neutrality, with a focus on diverse forms of new energy, clean energy, and renewable energy, including wind, solar, electric power, and computing. GCL Group is founded in 1990, GCL has consistently pursued technology-driven innovation and digital empowerment, advancing breakthroughs in silicon materials, lithium materials, carbon materials, and core materials for integrated circuits. Through material innovation, the company drives transformation in manufacturing and application. Amid the accelerated development of a new power system, GCL leverages the synergistic integration of silicon, lithium, and carbon materials, compute-power synergy, integrated “generation-grid-load-storage” solutions, and a globally leading carbon chain architecture, we provide comprehensive energy technology services for the global markets. Focusing on the structured symbiosis of "AI + Energy”, we deliver zero-carbon application scenarios, contributing to build a new energy system.

As of now, GCL Group boasts total assets exceeding RMB 200 billion, annual revenue nearing RMB 200 billion, and a brand value surpassing RMB 210 billion. It oversees multiple A-share and H-share listed companies, including GCL Technology (03800.HK), GCL System Integration (002506.SZ), GCL New Energy (00451.HK), and GCL-ET (002015.SZ), with over 40,000 employees. The group is supported by an expert think tank led by more than 10 members of the Chinese Academy of Sciences and Chinese Academy of Engineering, alongside 20+ specialized R&D teams and a talent pool of 3,000+ global energy technology experts. GCL allocates 3%-5% of annual revenue to R&D, securing nearly 4,000 patents and intellectual property rights. It has led or participated in drafting over 400 international, national, and industry standards, operates 95+ national/provincial-level research platforms, and undertakes 70+ state-level projects annually. All core subsidiaries are certified high-tech enterprises.

Ranked among the World’s Top 500 Brands, GCL has consistently led global and domestic new energy industry rankings, placing 51rd among China’s Top 500 Private Enterprises and 25th among China’s Top 100 Strategic Emerging Industry Leaders.

GCL holds leadership roles in global energy organizations, including:

l Chair of the Global Green Energy Council

l Co-Chair of the Global Solar Council

l Chair of the Asia Photovoltaic Industry Association

l Vice Chair of the China Electricity Council

l High-Level Steering Committee Member of the UN Global Compact’s Belt and Road Platform

Milestones in Industry Transformation:

——Silicon Energy:Pioneered the GCL method for polysilicon, breaking foreign monopolies and ending China’s reliance on imported raw materials, markets, and technology. Championed the transition from premium to grid parity and ultra-low cost solar power.

——FBR Granular Silicon: Developed proprietary Fluidized Bed Reactor (FBR) technology with the industry’s lowest carbon footprint, sparking a new era in photovoltaic materials. Launched the world’s first low-carbon silicon-carbon module, far exceeding green standards.

——Perovskite Innovations: Set global records for largest size and highest conversion efficiency (single-junction/tandem modules); first to pass TÜV Rheinland’s 3x IEC stability tests; built the first GW-scale production base; pioneered AI-driven high-throughput R&D; and deployed the first MW-scale demonstration project (Qinghai) stable under extreme climates.

——Full Industry Chains: Integrated photovoltaic and lithium battery storage value chains, mastering disruptive technologies like CCz and GCL-PHY cathode materials. The world’s largest producer of ultra-high-purity silane gas via UCC technology.

——Semiconductor Breakthroughs: Solved China’s "chokepoint" challenge in electronic-grade silicon via the National Major Science Project 02 and MIIT’s Industrial Strengthening Initiative. Sole domestic player capable of mass-producing electronic-grade polysilicon, supplying large-size wafers for 14nm/10nm/7nm chips. Top 3 globally in capacity, #1 in domestic market share. A key "China Core" material supplier for 12-inch wafers.

——Energy Services Pioneer: China’s earliest private power firm, leading in installed capacity (operational/under construction) and clean energy share. Built a smart energy ecosystem via "Generation-Grid-Sales-Consumption-Cloud" integration. A frontrunner in virtual power plants, solar-storage-charging-swapping solutions, energy trading, microgrids, and carbon asset services. Holds national Class-1 Demand-Side Management certification, operates in 13 provinces, and leads in virtual power plant capacity. Ranked #1 in Jiangsu for demand response. A top player in grid-side energy storage, deploying Jiangsu’s first sodium-ion commercial solar-storage project.

——Global Energy Security:Active in Belt and Road energy cooperation, building integrated gas-trading infrastructure. Leverages Ethiopian natural gas resources, domestic LNG terminals, and global supply chains to ensure regional energy autonomy.

GCL is actively implementing its "Green Energy Go Global" initiative, with R&D centers, production bases, and branch offices established in over 20 key countries including the United States, Japan, Singapore, Indonesia, Ethiopia, Thailand, India, Australia, Germany, and South Korea, as well as across multiple regions including North America, South America, the Middle East, Europe, and Central Asia. Its products and solutions serve more than 70 countries and regions worldwide, positioning GCL as a leading supplier with industry-leading carbon footprint performance across the entire product lifecycle in many global markets.

Party Leadership & ESG Commitment: Guided by China’s "Four Revolutions, One Cooperation" energy strategy, GCL aligns its green development with Communist Party principles. Its 16 Party committees, 4 general branches, 115 branches, and 3,500+ members have earned national and provincial honors for exemplary Party-building.

GCL embeds ESG into its sustainability vision and carbon neutrality roadmap via a three-tier governance framework, covering R&D, production, sales, partnerships, and investor relations. It fosters an ESG-driven green ecosystem while advancing industry decarbonization.

Social Responsibility:Through the GCL Sunshine Charity Foundation, the group has launched 100+ initiatives in environmental protection, poverty alleviation, orphan care, disability support, education, and disaster relief. It built China’s largest portfolio of solar poverty-alleviation power stations, earning national recognition as an "Outstanding Private Enterprise in Targeted Poverty Reduction."

Vision: Upholding the mission "Bringing Green Energy to Life," GCL is advancing toward its "Tech GCL, Digital GCL, Green GCL" goals. Market-oriented and customer-centric, the group cultivates next-gen productivity to fuel high-quality growth, striving to become a "globally respected new and clean energy leader" and realize the "GCL Dream" of corporate strength, employee prosperity, and social acclaim.

https://www.gcl-power.com/en/about/about.html

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GCL Tech said it has signed a strategic cooperation agreement with MDC Power, a unit of UAE-based Mubadala Investment Co. to build a polysilicon manufacturing facility in the United Arab Emirates.

GCL Tech did not disclose the location of the factory, which will be the Middle East's first polysilicon manufacturing facility.

“The company expects to continually develop its collaboration with Mubadala with a view to entering into legally binding investment agreements in relation to the Collaboration Project,” GCL Tech said, without providing additional details about the project.

GCL Tech said it currently has 12 GW of ingot capacity and 58.5 GW of wafer capacity in China. It is working on perovskite tandem technology, with reported efficiencies of 19.04% for a single-junction module and 26.34% for a tandem module.

Mubadala acts as one of the sovereign wealth funds of the Emirate of Abu Dhabi.

https://www.pv-magazine.com/2024/06/04/gcl-tech-mubadala-to-open-polysilicon-factory-in-uae/

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